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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
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Description
AMS Alpha 3" Stainless Steel Downpipes w/ Catalytic Converter | BMW M5 F10 4.4L Bi-TurboThe AMS Alpha M5 Downpipes are the ultimate solution for improving power, throttle response and exhaust note without sacrificing quality, fitment or design. Each Alpha M5 Downpipe features a smooth transition from their massive 3. 5" inlet down to the 3" tubing for optimum flow. While competitors choose a very short transition length which creates turbulence and hurts exhaust flow and power, the AMS Engineering team implemented a longer length to give
The AMS Alpha M5 Downpipes are the ultimate solution for improving power, throttle response and exhaust note without sacrificing quality, fitment or design. Each Alpha M5 Downpipe features a smooth transition from their massive 3.5" inlet down to the 3" tubing for optimum flow. While competitors choose a very short transition length which creates turbulence and hurts exhaust flow and power, the AMS Engineering team implemented a longer length to give your M5 maximum output.These downpipes are properly designed and engineered using a CMM Laser Scanner for a perfect fit and space optimization. AMS took the time to integrate the factory O2 sensors, heat shielding and brackets for a clean and proper OEM-like installation. Another unique benefit is the racing catalytic converter. These 300 cell count units provide nearly no disruption in flow and feature a staked in design to hold the catalyst firmly in place.
Features:
- .065" thick, 100% 304 stainless steel tubing
- Big increases in power throughout the powerband
- Improved turbo & throttle response
- Premium 300 cell race catalytic converters
- Exotic exhaust note
- Massive 3.5" primary inlets
- Precise and proper fitment using factory heat shielding
- Includes ALL necessary parts and hardware for installation
- BMW M5 (F10) 4.4L Bi-Turbo 12-16
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4.0 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Why do people hate on Matcha? This was insanely good!
Flavor Name: Ceremonial Barista, Size: 2.65 oz
So I'll start by saying I am new to matcha. I decided to try it after hearing about it's health/nutritional benefits but I was wary because so many people I know who have tried matcha did not like it, saying it was like drinking grass. My experience was the opposite of that and WONDERFUL! This matcha was incredibly tasty and blended really well. I thoroughly enjoyed it and plan to make this every day. Sidenote: because I had no idea how to prepare it, I watched a video on youtube to make sure I was doing it right and I am so glad I did. If you're wondering it's Michelle Kanemitsu's channel . I will definitely buy this again!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Smooth, fresh and delicious
Flavor Name: All Purpose Culinary Grade Matcha, Flavor Name: All Purpose Culinary Grade Matcha
I’ve tried a few matcha powders before, and this one is honestly one of my favorites. The flavor is smooth, fresh, and not too bitter. It mixes really well and gives that pretty vibrant green color. I’ve been making iced matcha lattes with it almost every day. Great quality for the price and definitely worth trying if you love matcha.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Tasty good quality matcha
Flavor Name: All Purpose Culinary Grade Matcha
Great tasting matcha! I usually order matcha from the famous us coffee shop but this one tastes even better and is wayy cheaper (vs paying per cup). I can make frozen matcha drinks or have it with a sweetener, ice and milk (chef's kiss). I also feel good knowing that it has great health benefits and I like the fact that it doesn't come sweetened so I can add berries or a sweetener. It's not too bitter like some other matchas are and it gives that earthy taste you look for in matcha. Very delicious 10/10.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Yum!
Flavor Name: All Purpose Culinary Grade Matcha
I have zero complaints, the size is ideal considering you don’t need very much for a drink and the flavor is amazing and exactly what I expected, I prefer this to Starbucks as I feel it is a bit sweeter! Blends beautifully great quality and honestly on the cheaper size of what I’ve seen! Good value
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Delicious and inexpensive!!
Flavor Name: All Purpose Culinary Grade Matcha
High quality matcha at a super affordable price. Bright beautiful green 🌿 matcha, tastes and smells delicious, very fine matcha whisks in very easily.
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Reviewed in the United States on March 16, 2026